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Electronic correlations in the Fe-pnictide BaFe2As2 are explored withinLDA+DMFT, the combination of density functional theory with dynamicalmean-field theory. While the correlated band structure is substantiallyrenormalized there is only little transfer of spectral weight. The computedk-integrated and k-resolved spectral functions are in good agreement withphotoemission spectroscopy (PES) and angular resolved PES experiments. Makinguse of a general classification scheme for the strength of electroniccorrelations we conclude that BaFe2As2 is a moderately correlated system.

Classification of the electronic correlation strength in the Fe-pnictides: The case of the parent compound BaFe2As2